Your Guide To Cleaning and Maintaining Concrete Water Tanks

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When it comes to water tanks, concrete is the most preferred and widely used material. Concrete Water Tanks are usually made using reinforced cement concrete. Compared to other tanks, Concrete Tanks are very durable and last longer. If properly maintained, it lasts for several years. It keeps the water cool and is easy to clean and maintain. 

Bega Tanks Sydney manufactures and installs concrete tanks for residential and commercial properties. They are made with the best materials to ensure they last for decades. 

While Concrete Water Tanks are relatively low maintenance, it’s important to know how to clean and maintain them to ensure water quality and longevity. 

How to Clean Concrete Water Tanks?

Cleaning Commercial Concrete Tanks may seem like a long and difficult process, but the truth is that it is quite straightforward and can be done at home if you know the process and take necessary precautions. The steps to cleaning a water tank are: 

  • Draining the water 
  • Cleaning the Exterior 
  • Cleaning the Interior 
  • Disinfecting the Tank 
  • Draining 
  • Maintenance 
  • Testing the water

Draining the Water

The first step in cleaning Commercial Concrete Tanks is to turn off the water supply to the tank. Drain the Concrete Water Tank until it is empty and ready for cleaning. This water need not be wasted. It can be stored in barrels and used for cleaning the lawn or other grey waste safe activities. 

Cleaning the Exterior

Before you begin cleaning the interior, the top of the Concrete Water Tank, its exterior walls and the surrounding area. If your Commercial Concrete Tank is a catchment type cistern, clean the catchment area where rainwater comes in contact with the surface. 

To do this, fill a 5-gallon bucket of soapy water and mix in a half cup of bleach. Using a stiff brush, scrub the exterior walls. Rinse the Concrete Water Tank with clean water. 

Cleaning the Interior

This is the crucial part of cleaning  Concrete Tanks Sydney. While the methods may be straightforward, it needs to be thorough as this is the part that holds your drinking water. 

  • How to get inside the tank? 

When cleaning the interior of a Concrete Tanks Sydney, you may need to climb inside if the tank is large enough. It is recommended that this work be done by someone with confined space training. It is possible that gases may be trapped or oxygen levels may be low inside the Commercial Concrete Tank

Using a wrench, open the access hatch to the Concrete Water Tank. When entering the tank always have a buddy on watch. With a flashlight, look for sedimentary deposits and debris and clean it out. 

  • The cleaning process 

In a bucket, mix 10-gallons of water with one cup of unscented household liquid bleach (5 percent to 8.25 percent strength). Using a stiff brush, thoroughly scrub the inside of the Concrete Water Tank and rinse with clean water. 

Disinfecting the Tank

Once the Commercial Concrete Tank is thoroughly scrubbed and cleaned, fill it with portable water and 3 cups of the same liquid bleach to further disinfect the tank. For every 100 gallons of water add 3 cups of the liquid bleach. Let the water and bleach mixture soak inside the tank for a minimum of 12 hours. 

Draining

After the 12-hour soaking phase, drain the tank completely. This bleach could damage your lawn, so empty the water into street drains. 

Concrete is a porous material, to remove any remaining bleach, fill the tank with potable water, open the taps and let it run through the pipes. This will wash away any retained bleach, the bleach odour, and clean the pipes within the Concrete Water Tank. It is recommended by health boards to refill and drain the tank once or twice to thoroughly rid the tank of the bleach. 

Maintenance

Now the Commercial Concrete Tank is ready for use and can be filled with drinking water. But, in order for the tank to last long, it needs maintenance. Repeat the above process and clean the tank once every year. 

Testing the Water

It is recommended that you test the water in your Concrete Tanks Sydney at six-month intervals. Water tanks are a damp and closed space. Microbial conditions are often invisible to the naked eye. You can submit a sample of the water to a testing lab and get results within 3 days. 

If the taste of the water seems off, or if anyone in the family experiences gastrointestinal issues, or the test proves the water is unsafe, drain the water for greywater use and repeat the cleaning process. 

Once the water is in your Commercial Concrete Tank, it is important to keep an eye on it and keep up the maintenance. A wide range of factors can affect the cleanliness and quality of stored water. The process of leaning a water tank takes only about 4 to 6 hours. 

Contact Us 

If you’re interested in installing an above ground or underground concrete tank, get in touch with us today to discuss the project. 

CALL 1800 241 246